<template>
  <div class="sidebar sp-layout__sidebar">
    <!-- <div class="sp-layout__sidebar-search"></div> -->
    <el-menu
      class="sidebar-el-menu"
      :default-active="onRoutes"
      :collapse="collapse"
      background-color="#F0F2F6"
      text-color="#4F4F4F"
      active-text-color="#FFFFFF"
      @open="handleOpen"
      router
    >
      <template v-for="(item, index) in items">
        <template v-if="item.childMenuBOList.length != 0">
          <el-submenu :index="item.id + ''" :key="index">
            <template slot="title">
              <i :class="item.icon"></i
              ><span slot="title">{{ item.menuName }}</span>
            </template>

            <template v-for="(subItem, subIndex) in item.childMenuBOList">
              <el-submenu
                v-if="subItem.childMenuBOList.length != 0"
                :index="subItem.menuUrl"
                :key="subIndex"
              >
                <template slot="title">
                  <i :class="subItem.icon"></i
                  ><span slot="title">{{ subItem.menuName }}</span>
                </template>
                <el-menu-item
                  v-for="(threeItem, i) in subItem.childMenuBOList"
                  :key="i"
                  :index="threeItem.menuUrl + ''"
                >
                  {{ threeItem.menuName }}
                </el-menu-item>
              </el-submenu>
              <el-menu-item v-else :index="subItem.menuUrl">
                <i :class="subItem.icon"></i
                ><span slot="title">{{ subItem.menuName }}</span>
              </el-menu-item>
            </template>
          </el-submenu>
        </template>
        <template v-else>
          <el-menu-item :index="item.menuUrl" :key="index">
            <i :class="item.icon"></i
            ><span slot="title">{{ item.menuName }}</span>
          </el-menu-item>
        </template>
      </template>
    </el-menu>
  </div>
</template>

<script>
import bus from "../common/bus.js";
export default {
  //props:['items'],
  data() {
    return {
      collapse: false,
      items: [],
    };
  },
  computed: {
    onRoutes() {
      return this.$route.path.replace("/home", "");
    },
  },
  //循环侧边栏数据
  created() {
    // this.items = JSON.parse(sessionStorage.getItem('me_u'));
    bus.$on("menu", (msg) => {
      var arr1 = [];
      if (msg != undefined) {
        for (var i = 0; i < msg.length; i++) {
          msg.reverse();
        }
      }
      this.items = msg;
    });
    // 通过 Event Bus 进行组件间通信，来折叠侧边栏
    bus.$on("collapse", (msg) => {
      this.collapse = msg;
    });
  },
  methods: {
    handleOpen(key, keyPath) {
      // console.log(key, keyPath);
    },
  },
};
</script>

<style scoped>
.sidebar {
  display: block;
  width: 160px;
  height: 100%;
  /* position: absolute;
  left: 0;
  top: 122px;
  bottom: 0;
  overflow-y: scroll; */
}

.sidebar::-webkit-scrollbar {
  width: 0;
}

.sidebar-el-menu:not(.el-menu--collapse) {
  width: 160px;
}

.sidebar > ul {
  height: 100%;
}
.sidebar /deep/.el-menu-item,
.el-submenu__title {
  height: 24px !important;
  line-height: 23px !important;
}
.sidebar /deep/ .el-submenu__title {
  height: 34px !important;
  line-height: 34px !important;
  /* background:red !important; */
}
.is-active {
  background: #4068ba !important;
  font-size: 12px !important;
}
.is-opened .el-submenu__title span {
  /* color:#4068BA !important; */
}
.sidebar .el-submenu .el-menu-item {
  min-width: 160px;
}
</style>
